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Methods and devices for reducing interference

A technology of equipment and time-frequency resources, applied in the field of communication, can solve the problems of unknown macro cell resources, interference, etc.

Inactive Publication Date: 2018-06-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the small cell does not know the resources allocated by the macro cell for D2D communication, so small cell communication and D2D communication will cause mutual interference

Method used

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  • Methods and devices for reducing interference
  • Methods and devices for reducing interference

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Embodiment Construction

[0057] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058] Such as figure 1 As shown, the heterogeneous network includes a macro base station 11, a small base station 12, and three terminals.

[0059] In the embodiment of the present invention, the macro base station may refer to an evolved base station (evolved NodeB, eNB); the small base station may refer to a femto base station (Femtocell)...

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Abstract

The invention provides a method and equipment for reducing interference. The method includes that the macro cell determines the information of the first time-frequency resource, and the first time-frequency resource is the time-frequency resource allocated by the macro cell for D2D communication; the macro cell sends the information of the first time-frequency resource to the small A cell, so that the small cell prohibits scheduling terminals from performing cellular communication on the first time-frequency resource according to the information of the first time-frequency resource. Embodiments of the present invention can reduce interference between small cell communication and D2D communication.

Description

technical field [0001] The present invention relates to communication technology, in particular to a method and equipment for reducing interference. Background technique [0002] In cellular network communication, the communication between two terminals needs to be forwarded by the base station. The same data packet occupies the air interface resources twice from the terminal to the base station, and then from the base station to the terminal. If the two communication terminals are far away and cannot reach each other, this solution is more feasible. However, if the communication parties are relatively close, direct communication (Device to Device, D2D) between terminals can be used to save resources. D2D communication enables direct communication between terminal devices without any intermediary infrastructure. [0003] Some traditional technologies can realize D2D communication, for example, wifi, BT, and ad hoc. However, these systems all work in an asynchronous mode, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/00H04W72/04
CPCH04W76/14H04W72/27
Inventor 周晗
Owner HUAWEI TECH CO LTD
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